17966686715

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{881}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 22053923136

約数和(自身を除く): 4087236421

約数列:

[1, 5, 83, 157, 313, 415, 785, 881, 1565, 4405, 13031, 25979, 49141, 65155, 73123, 129895, 138317, 245705, 275753, 365615, 691585, 1378765, 4078703, 11480311, 20393515, 22887499, 43293221, 57401555, 114437495, 216466105, 3593337343, 17966686715]

約数ペア:

[(1, 17966686715), (5, 3593337343), (83, 216466105), (157, 114437495), (313, 57401555), (415, 43293221), (785, 22887499), (881, 20393515), (1565, 11480311), (4405, 4078703), (13031, 1378765), (25979, 691585), (49141, 365615), (65155, 275753), (73123, 245705), (129895, 138317)]